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The recently renewed spy drama returns for six new episodes Oct. 17.

The Annie Walker (Piper Perabo) we know is dead and it's putting everyone on high alert.

When USA's Covert Affairs returns for the final six episodes of the fourth season, expect tempers to be at an all-time high at the CIA. Two of those people, Auggie (Christopher Gorham) and Calder (Hill Harper), the latter instrumental in helping Annie cover up her own death, have a tense confrontation in a nondescript corridor.